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Andru [333]
3 years ago
14

Given cos B = 11/18 find angle B in degrees. Round your answer to the nearest hundredth.

Mathematics
2 answers:
Anastaziya [24]3 years ago
5 0
B = cos^{-1}(\frac{11}{18}) \approx 52.33^\circ
Elden [556K]3 years ago
3 0

Answer:

B\approx 52.33^{\circ}

Step-by-step explanation:

We have been given that \text{cos}(B)=\frac{11}{18}. We are asked to find the measure of angle B.

We will use inverse cosine or arccos to solve for the measure of angle B as:

B=\text{cos}^{-1}(\frac{11}{18})

B=52.33011303567^{\circ}

Upon rounding our answer to nearest hundredth, we will get:

B\approx 52.33^{\circ}

Therefore, the measure of angle B is 52.33 degrees.

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Several students were asked how many blocks they walk from home to school each day. The results are shown in the line plot. How
serious [3.7K]

Answer:

25 students.

Step-by-step explanation:

A line plot is a simple graph that shows relationship among the values in a data using a number line.

From the line plot, each dot represents a student. While the number on the line shows the number of blocks walk each day by each student.

It can be deduced from the line plot that;

Only 1 student walks through 7 blocks, 2 walk through 5 blocks, 8 walk 4 blocks, 5 walk 3 blocks, 5 walk 2 blocks and 4 walk through 1 block to school each day.

So that;

1 + 2 + 8 + 5 + 5 + 4 = 25

Therefore, the number of students who took part in the survey is 25.

4 0
2 years ago
HELP ASAP SOS!!! <br> QUESTION : write a 4 step proof that triangle ABD is congruent to ABD
SCORPION-xisa [38]

Here are a few reasons:

The triangles have the same three sides

The triangles have the same three angles

The triangles could perfect overlap one another

They have corresponding angles.

Not sure if this helped but I hope so!

8 0
3 years ago
1. Use complete sentences to explain how it is possible to get linear factors of a polynomial.
vazorg [7]
1.)If f(a) = 0, then x - a is a factor of the polynomial.

2.) x + 3 is a factor of the polynomial.
4 0
3 years ago
Ok pls help this needs to be answered fast
horrorfan [7]

Answer:

the oeange will be there for u

Step-by-step explanation:

1 then 4 then 3 then 6 then 2

8 0
3 years ago
!!!!!!!!HELP PLEASE!!!!!!!!       In ΔSTU, SU = 18 and TU = 13. Find m∠T to the nearest tenth of a degree.
tatyana61 [14]
We can use a trig function to find the measure of angle T.

tan(T) = 18/13

Take the archtangent on both sides since we are searching for an angle.

arctan(tan T) = arctan(18/13)

T = 54.16°

The measure of angle T is 54.16°.
4 0
3 years ago
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